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Finding the Fourth Proportional to 1,854.58, 2,559.36 and 1,015.30

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Solution

The fourth proportional to 1,854.58, 2,559.36 and 1,015.30 is: 1,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,854.58 : 2,559.36 = 1,015.30 : x
  2. Step 2: Convert to fraction form
    1,854.58/2,559.36 = 1,015.30/x
  3. Step 3: Cross multiply
    1,854.58x = 2,559.36 × 1,015.30
  4. Step 4: Simplify right side
    1,854.58x = 2,598,518.21
  5. Step 5: Solve for x
    x = 2,598,518.21/1,854.58
  6. Step 6: Final answer
    x = 1,401.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.